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New build horspower estimate please!

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Old 10-17-2013, 06:13 PM
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Default New build horspower estimate please!

I will probably never have my car on a dyno just looking for your best guess or estimate.

LS2 with:
LS3 Injectors
LS3 Intake
LS3 heads milled .030
.041 head gaskets
92mm throttle body
85MM MAF
226/230 .598/.600 111 +4 EPS cam
1 3/4 Long tubes with X pipe dumped at axles
M6 Stock rear.

What do you think I will put to the wheels? Ranges are fine just curious what you think.

Thanks
Matt
Old 10-18-2013, 11:48 AM
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Anyone have a guesstimate?
Old 10-21-2013, 08:49 AM
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Old 10-21-2013, 08:55 AM
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430-440. The LS3's will probably be a little lazy down low.
Old 10-21-2013, 09:08 AM
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Thanks for the response, I would be happy with those numbers. All that really matters to me is E.T. I am hoping for high 11's on a street tire. My best 60ft is a 2.1, I can't seem to find a sweet spot between spinning and bogging, I have a stock rearend, M6 and no excess cash so I am staying away from sticky tires for now.
Old 04-25-2014, 05:56 PM
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Why that cam? It' not a square port head cam. Is It ? You Might want to swap it out on here. That looks like a nice cam but with the big intake valves on the ls3 heads you need about 13* more duration on exhaust than on intake to even things out(more torque too). More than 111+4 also to spread out your power across the rpm range.
With the correct cam I would think 440 lbs torque.

Last edited by handyandy496; 04-25-2014 at 06:30 PM.
Old 04-25-2014, 06:44 PM
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What kind of compression are you running?



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